Ques:- A contractor undertakes to complete the construction of a tunnel 720 meters long in 240 days and employs 60 men for the purpose. After 120 days, he finds that only 240 meters of the tunnel is complete. How many more men should be employ in order to complete the work in time?
Recent Answer : Added by Cynthia Birungi Muhumuza On 2022-08-14 16:34:47:
60 more men
Ques:- Grass in lawn grows equally thick and in a uniform rate. It takes 24 days for 70 cows and 60 days for 30 cows to eat the whole of the grass. How many cows are needed to eat the grass in 96 days?
Recent Answer : Added by Admin On 2020-05-17 12:01:01:
Use 3pt. Formula
( (x-x1)/(x2-x1) )=( (y-y1)/(y2-y1) )
We get 150
Ques:- When will you join?
Ques:- Find the missing number of the series 2, 5, 10, 17, ….
Recent Answer : Added by Larry Omela On 2022-05-17 09:08:58:
26
Ques:- 3 policemen and 3 thieves had to cross a river using a small boat. Only two can use the boat for a trip. All the 3 policemen and only 1 thief knew to ride the boat. If 2 thieves and 1 policeman were left behind they would kill him. But none of them escaped from the policemen. How would they be able to cross the river?
Ques:- Why do u select to do MBA in HR after doing B.Sc in physics?
Ques:- The probability that A speaks truth is 3/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?
Recent Answer : Added by Ashish Makhija On 2022-08-14 16:35:55:
If both agree stating the same fact, either both of them speak truth of both speak false.
∴ Probability
=3/5×4/7+2/5×3/7=12/35+6/35=18/35
Ques:- WHAT IS YOUR ULTIMATE AIM IN LIFE
Ques:- A man could buy a certain number of notebooks for Rs.300. If each notebook cost is Rs.5 more, he could have bought 10 notebooks less for the same amount. Find the price of each notebook?
Recent Answer : Added by Admin On 2022-09-29 19:24:04:
According to the question:
⇒(x+5)(y−10)=300
⇒xy+5y−10x−50=xy
⇒5×300−10x−50=0
⇒−150+x2+5x=0
⇒x2+15x−10x−150=0
⇒x(x+15)−10(x+15)=0
⇒x=10 or −15
Price cannot be negative
So, As x>0,x=10.
Ques:- IF U GET ONE MILLION DOLLAR HOW DID U SPENT.
Ques:- A train 100 meters long passes a platform 100 meters long in seconds. The speed of the train is
A. 36 km/hr
B. 52 km/hr
C. 72 km/hr
D. 92 km/hr
Recent Answer : Added by ThinkAlike On 2022-03-09 16:31:07:
= 100 + 100 = 200 m
Time taken by train = 10 sec.
∵ Speed = Distance/Time
⇒ Speed of train = 200/10 = 20 m/sec.
∴ Speed of train = 20 × 18/5 = 72 kmph.
In question they left 10 seconds
Ques:- Security force experience
Ques:- there is number X in decimal represntation whose last digit is not 0. if digits of X are reversed then we obtain new number say Y. both X and Y are divisible by 7. then find all such X from 10 to 1000.
Recent Answer : Added by olebon On 2021-10-25 03:53:35:
77
Ques:- What can you do for us that someone else can’t?
Ques:- How would you describe yourself?
Ques:- Reason of leaving the current job?
Ques:- What is more important to you : the money or the work?
Ques:- The smallest prime number greater than 1000 is
A. 1001
B. 1003
C. 1009
D. 1007
Recent Answer : Added by Akinwunmi Gbemisola On 2022-05-17 09:08:46:
A
Ques:- The ratio of the present age of two brothers is 1:2 and 5 years back, the ratio was 1:3. What will be the ratio of their ages after 5 years?
Ques:- There are some chicken in a poultry. They are fed with corn One sack of corn will come for 9 days.The farmer decides to sell some chicken and wanted to hold 12 chicken with him. He cuts the feed by 10% and sack of corn comes for 30 days. So initially how many chicken are there?
Recent Answer : Added by Admin On 2020-05-17 11:59:35:
answer :36
Ques:- If the sides of a cube are in the ratio 4:3. What is the ratio of their diagonals?
Ques:- In interview we are asked “WHAT IS YOUR POSITIVE AND NEGATIVE POINTS?”
Ques:- There N stations on a railroad. After adding X stations on the rail route 46 additional tickets have to be printed. Find N and X
Recent Answer : Added by Rishabh Gupta On 2022-03-09 16:33:47:
Each PAIR of stations means a PAIR of tickets (A to B and B to A)
23 is a prime number with only two factors, 1 and 23
so N = 23 and X = 1
Ques:- What was the day of the week of 1st January 2001?
A. Tuesday
B. Wednesday
C. Friday
D. Sunday
Recent Answer : Added by Muhammad Bilal On 2021-11-24 16:45:21:
Monday
Ques:- A person invested in all Rs. 2600 at 4%, 6% and 8% per annum simple interest. At the end of the year, he got the same interest in all the three cases. The money invested at 4% is?
Ques:- On cutting which solid parabola would be generated
Recent Answer : Added by Admin On 2020-05-17 12:01:12:
A parabola is obtained as the intersection of a cone with a
plane
Ques:- A man was engaged on a job for 30 days on the condition that he would get a wage of Rs. 10 for the day he works, but he have to pay a fine of Rs. 2 for each day of his absence. If he gets Rs. 216 at the end, he was absent for work for … days.
Recent Answer : Added by Qhizer On 2021-08-11 07:22:47:
30 days of earning =300 rs
No of days he was absent = x
Equating the abv
300 – 10 x – 2 x = 216
After solving for x you will get 7days
Ques:- Sachin was twice as old as Ajay 10 years back. How old is Ajay today if Sachin will be 40 years old 10 years hence?
A. 10 years
B. 20 years
C. 30 years
D. 50 years
Recent Answer : Added by Shalini On 2021-11-18 17:16:24:
20
Ques:- One student takes 20 mins to reach school if he goes at a speed of 15kmph .At what speed should he go to reach in 15 mins ?
Recent Answer : Added by DK BOSS On 2021-07-30 16:26:23:
1) time =20mins,speed=15kmph=15*(5/18)=25/6 m/sec
distance=20*(25/6)=250/3 m
then 2) given as time =15min
speed=250/3*15=(50/9)*(18/5)kmph=20kmph
Ques:- By selling a house for Rs.45000, it was found that 1/8 of the outlay was gained, what ought the selling to price to have been in order to have lost 5 p.c?
60 more men